doc: add missing link for v13.11.0 changelog

Missing from release, apologies.

PR-URL: #32218
Reviewed-By: Shelley Vohr <[email protected]>
Reviewed-By: Rich Trott <[email protected]>

Author: MylesBorins

doc/changelogs/CHANGELOG_V13.md

@@ -9,6 +9,7 @@
 </tr>
 <tr>
 <td>
+<a href="#13.11.0">13.11.0</a><br/>
 <a href="#13.10.1">13.10.1</a><br/>
 <a href="#13.10.0">13.10.0</a><br/>
 <a href="#13.9.0">13.9.0</a><br/>